首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
The rocket engine, with its steady roar like that of a waterfall or a thunderstorm, is an impressive symbol of the new space age
The rocket engine, with its steady roar like that of a waterfall or a thunderstorm, is an impressive symbol of the new space age
admin
2014-10-11
33
问题
The rocket engine, with its steady roar like that of a waterfall or a thunderstorm, is an impressive symbol of the new space age. Rocket engines have【C1】______powerful enough to shoot astronauts【C2】______the earth’s gravitational pull and【C3】______them on the moon. We have now become【C4】______in space.
Impressive and complex【C5】______it may appear, the rocket, which was【C6】______in China over 800 years【C7】______, is a relatively simple device. Fuel that is【C8】______in the rocket engine changes【C9】______gas. The hot and rapidly【C10】______gas must escape, but it can do so only through an opening that faces backward. As the gas is radiated with great force, it pushes the rocket in the opposite direction.
【C7】
选项
A、in advance
B、before
C、earlier
D、ago
答案
D
解析
ago“在……以前”。该句为which引导的定语从句,意为“中国发明火箭是在距今800多年前”。句中谓语是一般过去时,故应选D。
转载请注明原文地址:https://kaotiyun.com/show/y4xO777K
0
成人本科学位英语
相关试题推荐
InChinaitisrelativelyusualtoaskpeopletheirage,butintheWestthisquestionisgenerallyregardedasimpolite.Thisi
Friendisbetterthanfortune.Friendisworsethanpoisoninsome【C1】______.Theabovetwostatementsareoppositeandseemt
InlearningEnglishweshouldnot______studentsoftheirmistakesallthetime.
SYDNEY:Astheysatsharingsweetsbesideaswimmingpoolin1999,ShaneGouldandJessicahSchipperweresimplygettingalongw
Newspapersoftenhaveinformationongardening,cookingandfashionaswellasasmallbutverypopularsectiononjokesandcar
Agoodartist(like)agoodengineer(learns)as(many)fromhismistakesasfrom(success).
Hardlyhadhefinishedhisspeech______theaudiencestartedcheering.
IrecognizedJohn______heenteredtheroom.
Englishmen______goodhusbandsbecausetheyarenearlyalwayswillingtohelpinthehouse.
—DidJackcomebackearlylastnight?—Yes.Itwasnotyeteighto’clock______hearrivedhome.
随机试题
Ifyouhadtoldmeinadvance,I_____himattheairport.
关于建设用地使用权的“土地"表述正确的是【】
治疗牙本质过敏最常用的方法是()
工程项目质量的内涵,从功能和使用价值来看,包括( )等方面。
质量管理体系的八项原则不包括( )。
根据《建设工程工程量清单计价规范》(GB50500-2013),关于单价合同工程计量的说法,正确的有()。
下列各项中,不应计入财务费用的是( )。
对抵押物进行估价时,对于库存商品、产成品等的估价,主要考虑()。
下列关于北京人的描述,错误的有( )。
根据下图所示网络结构回答下列问题。填写路由器RG的路由表项①至⑥。
最新回复
(
0
)